Glary Utilities is a comprehensive system cleaner and performance booster.

OneTab is a google chrome extension to save memory usage while browsing the internet.

Memory Cleaner X monitors your memory usage and cleans up your Mac's memory, increasing performance.

CleanMem is a free utility that allows for the cleaning of memory out of all running processes automatically.

AVG TuneUp is a free Windows utility designed to clean up junk files on your PC and possibly increase system performance.

Valgrind is a programming tool for memory debugging, memory leak detection, and profiling.

RAMDisk is a software that takes a portion of your system memory and uses it as a disk drive.